On Wednesday at 11:07 a.m. an air quality alert was reported by the NWS San Diego CA in effect until Friday at midnight. The ...

Tamara Berg breaks down the concerns over fog and air quality on Monday.

Ophelia Young breaks down the forecast for haze on Thursday.

Poor air quality has led to advisories recommending residents stay indoors in some areas of California. Official measurements ...

When California neighborhoods increased their number of zero-emissions vehicles (ZEV) between 2019 and 2023, they also experienced a reduction in air pollution. For every 200 vehicles added, nitrogen ...

Thousands of people in California and Oregon have been urged to stay indoors as air pollution reached unhealthy levels on ...

Kelly Curran talks about air quality impacts on Monday, as a dense fog advisory was extended.

Building-science data highlight duct leakage as a widespread, overlooked issue undermining energy savings in 95% of San ...

The Sacramento region's air quality reached "unhealthy for sensitive groups" level on Thursday morning, according to IQAir.

The Environmental Protection Agency has warned residents in affected areas of elevated amounts of PM2.5 in the atmosphere.

Young people asked their neighbors about the air they breathe, and turned what they learned into a bilingual zine rooted in ...

Dry, warm weather will be widespread across much of the western United States and southwestern Canada into next week, but ...